"Sat, 17 Aug 2024 23:15:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
23:15:38
General datetime
2024-08-17 23:15:38Z
For Database
2024-08-17 23:15:38
For HTTP1.1
Sat, 17 Aug 2024 23:15:38 GMT